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National Geographic explores Mysteries of The Solar System

Imagine traveling nearly 400-million miles to witness an asteroid field that dates back to the beginning of our Solar System. National Geographic Science Writer Michael Greshko talks about his recent cover story "Mysteries of The Solar System," in the September issue of National Geographic Magazine. Greshko talks with WSIU's Jeff Williams about NASA's Lucy mission to the Jupiter Trojan asteroids for this edition of In The Author's Voice.

For more information visit National Geographic at natgeo.com/space.

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Jeff Williams is the Associate Director for Radio and Station Manager for WSIU Radio. Jeff is a native of southern Illinois and has been in broadcasting for 30 years. After graduating with a degree in Radio-Television from Southern Illinois University Carbondale, he worked in radio and television news in Illinois, Indiana, West Virginia and Washington, D.C. before returning to WSIU Radio in 1997, as Morning Edition anchor/reporter. Jeff served as News Director from 2001 to 2015. He assumed Station Manager duties in 2004. WSIU is operated by Southern Illinois University Carbondale. It signed on the air in September 1958.